diff --git a/game-music-emu/game-music-emu.vcproj b/game-music-emu/game-music-emu.vcproj
index 8ded6444ad..45de9ebfb5 100644
--- a/game-music-emu/game-music-emu.vcproj
+++ b/game-music-emu/game-music-emu.vcproj
@@ -180,6 +180,7 @@
 				WarningLevel="3"
 				Detect64BitPortabilityProblems="true"
 				DebugInformationFormat="3"
+				CallingConvention="1"
 			/>
 			<Tool
 				Name="VCManagedResourceCompilerTool"
diff --git a/lzma/lzmalib.vcproj b/lzma/lzmalib.vcproj
index e5033511b0..2736f31a6a 100644
--- a/lzma/lzmalib.vcproj
+++ b/lzma/lzmalib.vcproj
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="Windows-1252"?>
 <VisualStudioProject
 	ProjectType="Visual C++"
-	Version="9,00"
+	Version="8,00"
 	Name="lzmalib"
 	ProjectGUID="{6EB27E78-7C7A-4F08-8E19-957E8EB3A20F}"
 	RootNamespace="lzmalib"
diff --git a/zdoom.vcproj b/zdoom.vcproj
index 71ce817e9d..3cbfac13af 100644
--- a/zdoom.vcproj
+++ b/zdoom.vcproj
@@ -522,6 +522,10 @@
 				RelativePath=".\src\c_console.cpp"
 				>
 			</File>
+			<File
+				RelativePath=".\src\c_consolebuffer.cpp"
+				>
+			</File>
 			<File
 				RelativePath=".\src\c_cvars.cpp"
 				>